Material is per astm a684, 1070, 1065, or 1075; one end knurled to 96dp-30deg. Diamond knurl, class i tolerance, per ansi b94.6-1966; manganese phosphate, type m, class 1, or zinc phosphate, type z, class 1, per mil-p-16232; heat treatment: heat at 1450-1500 deg. F., oil quench, temper 1 hr. Min. To rockwell hardness a71-74
A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards, or those in tables 1 through 10, appendix c, fiig a004a. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); coupling (as modified); or nipple (as modified). Excludes tube, bent (as modified); pipe, metallic; spacer, sleeve; metal bar (hollow); and items with fittings, except end protectors.
Classification: Other tubes, pipes and hollow profiles, seamless, circular cross-section, iron or nonalloy steel, cold-drawn or cold-rolled
NSN 5960-01-500-6615
NSN 6150-01-438-0448
NSN 6135-00-078-9931
NSN 5855-00-879-5849
NSN 5999-01-331-9167
NSN 5975-00-203-1265
NSN 5950-01-162-7174
NSN 5935-01-474-7610
NSN 6105-00-166-5672
NSN 5965-00-949-5765
NSN 5920-00-990-9727
NSN 6645-01-464-8538